Source : Webster's Revised Unabridged Dictionary (1913)

Pilfer \Pil"fer\, v. i. [imp. & p. p. {Pilfered}; p. pr. & vb.
   n. {Pilfering}.] [OF. pelfrer. See {Pelf}.]
   To steal in small quantities, or articles of small value; to
   practice petty theft.

Pilfer \Pil"fer\, v. t.
   To take by petty theft; to filch; to steal little by little.

         And not a year but pilfers as he goes Some youthful
         grace that age would gladly keep.        --Cowper.

Source : WordNet®

pilfer
     v : make off with belongings of others [syn: {cabbage}, {purloin},
          {pinch}, {abstract}, {snarf}, {swipe}, {hook}, {sneak},
         {filch}, {nobble}, {lift}]